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Finding the Fourth Proportional to 415,889.28, 574,074.27 and 246,123

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Solution

The fourth proportional to 415,889.28, 574,074.27 and 246,123 is: 339,736.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,889.28 : 574,074.27 = 246,123 : x
  2. Step 2: Convert to fraction form
    415,889.28/574,074.27 = 246,123/x
  3. Step 3: Cross multiply
    415,889.28x = 574,074.27 × 246,123
  4. Step 4: Simplify right side
    415,889.28x = 141,292,881,555.21
  5. Step 5: Solve for x
    x = 141,292,881,555.21/415,889.28
  6. Step 6: Final answer
    x = 339,736.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.